On the Olympic race at least 21 sailors, on 8 boats, from 3 nations competed.
The Key West regatta expects more than 260 boats and 4,000 sailors to compete on three courses.
Disabled sailors competed as an exhibition group at the 1996 Paralympics near Atlanta.
The top 10 sailors then competed in the final race, with placings counting double for that race.
At least 27 sailors, on 11 boats, from 4 nations competed.
Which means that Danish sailors competed in all eight Olympic boat types.
On the Olympic race at least 11 sailors, on 4 boats, from 2 nations (one of them mixed) competed.
Fifty sailors, on 16 boats, from 16 nations competed.
At least 14 sailors, on 7 boats, from 2 nations competed.
At least 17 sailors, on 7 boats, from 1 nation competed.